20888973125

素因数分解:

$5^4\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{23687}}^1$

素因数の和:23807

約数の個数: 40

約数和(自身を含む): 27972495936

約数和(自身を除く): 7083522811

約数列:

[1, 5, 17, 25, 83, 85, 125, 415, 425, 625, 1411, 2075, 2125, 7055, 10375, 10625, 23687, 35275, 51875, 118435, 176375, 402679, 592175, 881875, 1966021, 2013395, 2960875, 9830105, 10066975, 14804375, 33422357, 49150525, 50334875, 167111785, 245752625, 251674375, 835558925, 1228763125, 4177794625, 20888973125]

約数ペア:

[(1, 20888973125), (5, 4177794625), (17, 1228763125), (25, 835558925), (83, 251674375), (85, 245752625), (125, 167111785), (415, 50334875), (425, 49150525), (625, 33422357), (1411, 14804375), (2075, 10066975), (2125, 9830105), (7055, 2960875), (10375, 2013395), (10625, 1966021), (23687, 881875), (35275, 592175), (51875, 402679), (118435, 176375)]